Properties of the Number 28205

Twenty-Eight Thousand Two Hundred Five

Basics

Value: 28204 → 28205 → 28206

Parity: odd

Prime: No

Previous Prime: 28201

Next Prime: 28211

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 5641

Divisors: 1, 5, 5641, 28205

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111000101101

Octal: 67055

Duodecimal: 143A5

Hexadecimal: 6e2d

Square: 795522025

Square Root: 167.94344286098223

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number T(n,k) of solid standard Young tableaux of n cells and height >= k; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A215120

Number of dispersed Dyck paths of length n (i.e., Motzkin paths of length n with no (1,0)-steps at positive heights) having no UDU's, where U=(1,1) and D=(1,-1). A191317

Expansion of 1/((1-6x)(1-7x)(1-9x)(1-11x)). A28205